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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.234

Region marking can copy a mask instead of only filling it

Under the hood
Useful1 Signal2
Terminal Rendering

Screen-region marking gained a mask copy, allowing a selectable area nested inside an unselectable one.

What

The helper that marks screen regions as non-selectable was split into a shared fill routine with wrappers for marking selectable and non-selectable, plus a new routine that copies a clipped mask rectangle between buffers row by row. That is what allows a selectable region nested inside a non-selectable one.

Evidence

noSelect

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.234 →